Synthesis and Characterization of Iridium Organometallic Complexes Covalently Grafted to Mesoporous Silicates and their Application on Removal of Heavy Metal Ions from Aqueous Solution
Abstract:In the present paper, a cyclometalated thiolated bridged iridium dimmerswhere L is a bidentate cyclometalated ligand, 2,5-di(thiophen-2-yl) pyridine (dtp) (1) and 2-benzo [4,5] thienyl pyridine (btp) (2) were covalently bonded into silicate framework by hydrolysis and condensation reaction. The new nanohybrid materials were fully characterized by Fourier trans-form infrared spectroscopy (FTIR), X-ray diffractometer (XRD), transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The result… Show more
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